Guren Ichinose was familiar with this Jutsu, and the integration of Yuichiro and Mika's Sea of Consciousness proceeded smoothly.
Guren checked it over, found no issues, and said to Yuichiro:
"Now you and Mika truly share a single fate in life and death. When your consciousness recovers, launch a surprise attack using Mika's power. The Progenitors certainly won't be on guard. My advice is to target Rig. Qiuyun Yuhe's stance is far too ambiguous, and the risk of ambushing the First Progenitor far outweighs any potential gain. However, if you severely injure Rig and take him away, his sole target will become the First Progenitor, so you can try to persuade him then."
Chapter 164